| Curing Age (Days) | Percentage | Mean | Std. Deviation | N |
| 7 | 0 | 9.2300 | 3.71831 | 5 |
| 0.05 | 7.3960 | 3.41261 | 5 | |
| 0.1 | 5.5320 | 2.53765 | 5 | |
| 0.2 | 4.0800 | 1.73296 | 5 | |
| Total | 6.5595 | 3.36259 | 20 | |
| 28 | 0 | 16.8980 | 4.09640 | 5 |
| 0.05 | 14.0980 | 4.18282 | 5 | |
| 0.1 | 13.2380 | 4.13838 | 5 |